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Running rich, need a retune - recommendations?

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Hi all,

I have a 1998 R34 GTT running Apexi Power FC ECU. When you put your foot to the floor mostly in 2nd or 3rd gear black smoke spits out.

I also get a nasty oil stain on the rear bumper from generally running rich.

Can anyone recommend a decent tuner that doesn't charge a arm and a leg?

I live in Hornsby NSW

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The best tuners charge and arm and a leg. Or you could get yourself a wideband meter and have a go yourself.

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Or Yavuz and Mark at Unigroup. 

Most likely something is wrong other than the tune eg a boost leak or bad AFM, unless you have put the PFC in and never tuned it but a good workshop will work it out

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